To date, 8.1 million vehicles worldwide have been recalled by the manufacturer, with the possibility of more to come after Thursday's announcement by the National Highway Transportation Safety Administration of a formal investigation into brake problems with the 2010 Prius.

CNN: Fact Check: Toyota not alone in acceleration problems

Richard Capka, administrator of the Federal Highway Administration, said Thursday that the agency would quickly advise transportation agencies around the country of steps they should take if a systematic problem with gusset plates was found, though he said no such advisory was yet in the works.

NPR: Officials Warn of Possible Flaw in Nation's Bridges

The National Highway Transportation Safety Administration says while sleep is the best cure, drinking two cups of coffee, followed by a 15-to-20-minute nap, can refresh some drivers for a short period of time.

WSJ: Drowsy driving remains an elusive highway dilemma

This summer, New York's Department of Transportation will begin one of 19 pilot projects funded nationwide by the Federal Highway Administration to rebuild infrastructure to withstand the increasing number of severe weather events expected with climate change.

WSJ: Towns, ecologists seek climate-friendly culverts

Minnesota Department of Transportation bridge engineer Dan Dorgan said the term "structurally deficient" is a Federal Highway Administration rating.

CNN: Bridge collapse probe focuses on unexplained shift